They are right to do so as long as the particular claim in question can not — even in principle — be examined by science. (scientificamerican.com)
UPDATE: Lindzen has withdrawn the particular claim in question, but in a manner that has been called weaselly (by a fellow who ought to know). (planet3.org)
Chad «no... A posteriori justification makes reference to experience; but the issue concerns how one knows the proposition or claim in question — what justifies or grounds one's belief in it That that the universe had a beginning is the most common cosmological belief held today, I am clearly on solid ground making that claim. (religion.blogs.cnn.com)